of hair, [302];

two heads, [189].

Abnormal, health in captivity, [84], [440], [450], [457], [565];

gestation, [437], [439], et seq., [459], [466], [505].

Academy of Sciences, Paris, [444].

Acaltetepon, the, [590].

‘Account, of the Beasts in Virginia’, [280];

of the rattlesnake, [275].

[Acrobats], [181], [196], [198], [214], et seq., [219], [239], [472], et seq.

[Adaptation], of organization, [70], [135];